执行压缩文件命令:
uglifyjs abc.js -o abc.min.js -m -c --comments
UglifyJS中文文档
https://segmentfault.com/a/1190000008995453
自己怎么压缩js文件?---------- ok
https://blog.csdn.net/XiaoningZhu/article/details/100162898
[译]Uglify vs Babel-minify vs Terser 一场代码压缩的pk
https://juejin.cn/post/6844903933370957831
BabelMinifyWebpackPlugin
https://webpack.docschina.org/plugins/babel-minify-webpack-plugin/